/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.

This file is part of Mod Organizer.

Mod Organizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Mod Organizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef TRANSFERSAVESDIALOG_H
#define TRANSFERSAVESDIALOG_H

#include "tutorabledialog.h"
#include "profile.h"

class QListWidget;
#include <QObject>
class QPushButton;
#include <QString>
class QWidget;

#include <memory>
#include <map>
#include <vector>

namespace Ui { class TransferSavesDialog; }
namespace MOBase { class IPluginGame; }
namespace MOBase { class ISaveGame; }

class TransferSavesDialog : public MOBase::TutorableDialog {
  Q_OBJECT

public:
  explicit TransferSavesDialog(const Profile &profile,
                               MOBase::IPluginGame const *gamePlugin,
                               QWidget *parent = 0);
  ~TransferSavesDialog();

private slots:

  void on_moveToLocalBtn_clicked();

  void on_doneButton_clicked();

  void on_globalCharacterList_currentTextChanged(const QString &currentText);

  void on_localCharacterList_currentTextChanged(const QString &currentText);

  void on_copyToLocalBtn_clicked();

  void on_moveToGlobalBtn_clicked();

  void on_copyToGlobalBtn_clicked();

private:
  enum OverwriteMode { OVERWRITE_ASK, OVERWRITE_YES, OVERWRITE_NO };

private:
  void refreshGlobalCharacters();
  void refreshLocalCharacters();
  void refreshGlobalSaves();
  void refreshLocalSaves();
  bool testOverwrite(OverwriteMode &overwriteMode,
                     const QString &destinationFile);

private:
  Ui::TransferSavesDialog *ui;

  Profile m_Profile;

  MOBase::IPluginGame const *m_GamePlugin;

  using SaveListItem = std::shared_ptr<const MOBase::ISaveGame>;
  using SaveList = std::vector<SaveListItem>;
  using SaveCollection = std::map<QString, SaveList>;

  SaveCollection m_GlobalSaves;
  SaveCollection m_LocalSaves;

  void refreshSaves(SaveCollection &saveCollection, const QString &savedir);
  void refreshCharacters(SaveCollection const &saveCollection,
                         QListWidget *charList, QPushButton *copy,
                         QPushButton *move);

  bool transferCharacters(
      QString const &character, char const *message,
      QDir const& sourceDirectory, SaveList &saves,
      QDir const& dest,
      const std::function<bool(const QString &, const QString &)> &method,
      char const *errmsg);
};

#endif // TRANSFERSAVESDIALOG_H
